Razón española, Edizioni 21-26Fundación Balmes, 1983 |
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Pagina 143
... detectors places a limit on either the wavelength range or the resolu- tion of such an analyzer . Additionally , the silicon photodetectors are not as sensitive as a photomultiplier detector . Manufacturers of photodiode arrays are now ...
... detectors places a limit on either the wavelength range or the resolu- tion of such an analyzer . Additionally , the silicon photodetectors are not as sensitive as a photomultiplier detector . Manufacturers of photodiode arrays are now ...
Pagina 472
... detector . A lithium drift detector is formed by de- positing lithium on the surface of a p - doped silicon crystal . Upon heating to 400 to 500 ° C , the lithium diffuses into the crystal ; because this element easily loses electrons ...
... detector . A lithium drift detector is formed by de- positing lithium on the surface of a p - doped silicon crystal . Upon heating to 400 to 500 ° C , the lithium diffuses into the crystal ; because this element easily loses electrons ...
Pagina 768
... detector used with capillary columns . A disadvantage of the flame ionization detector is that it is destruc- tive of sample . Thermionic Detectors . The thermionic detector is selective towards organic compounds con- taining phosphorus ...
... detector used with capillary columns . A disadvantage of the flame ionization detector is that it is destruc- tive of sample . Thermionic Detectors . The thermionic detector is selective towards organic compounds con- taining phosphorus ...
Sommario
Contents | 1 |
Elementary Electronics | 30 |
Microcomputers and Microprocessors in Chemical Instrumentation | 80 |
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absorbance absorption acid amplifier Anal analysis analyte analytical signal anode applications atoms beam Beer's law Calculate cathode cell Chem chemical chromatography circuit column components compounds concentration constant containing coulometric curve detector determination device dispersion effect elec electrical electrode elements emission employed energy Equation example excited filter flame fluorescence frequency function hydrogen infrared input instruments ionization iron(II liquid magnetic mass mass spectrometer measurements membrane ment methods mobile phase molar absorptivities molecular molecules monochromator obtained operational amplifier optical output oxidation particles peak photomultiplier plate polarized polarography potential prism protons pulse quantitative radiation Raman range reaction reagent refractive refractive index region relative rotation sample sensitivity shown in Figure signal slit solution solvent species spectra spectrometer spectrophotometer spectroscopy spectrum standard deviation stationary phase surface temperature tion titration trode tube typical ultraviolet V₁ vibrational voltage wave wavelength X-ray